This is an isometric grid that you can place tiles on. Well, I wanted to make a puzzle game out of this but this is what I ended up with. This tutorial helped me almost understand isometric projection.
https://gamedevelopment.tutsplus.com/tutorials/creating-isometric-worlds-a-primer-for-game-developers--gamedev-6511

i didnt do much.. just fixed something in the drag behavior to get the tiles to work again.